Mathematica
Commercial
Wolfram Mathematica (usually termed Mathematica, Mathematica software suite) is a mathematical symbolic computation program.
Matplotlib
Open Source
Matplotlib is a plotting library for the Python programming language and its numerical mathematics extension NumPy.
fxSolver
Free
fxSolver is a math solver for engineering and scientific equations.
SMath Studio
Free
SMath Studio is a freeware, closed source, mathematical notebook program similar to Mathcad.
Compare Microsoft Mathematics with alternatives
Compare Mathematica and Microsoft Mathematics and decide which is most suitable for you.
Compare fxSolver and Microsoft Mathematics and decide which is most suitable for you.
Compare Matplotlib and Microsoft Mathematics and decide which is most suitable for you.
Compare SMath Studio and Microsoft Mathematics and decide which is most suitable for you.